-
Notifications
You must be signed in to change notification settings - Fork 167
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
SNOW-1431870 Add cloud integration for GCM encryption
- Loading branch information
1 parent
6d96c48
commit 6477407
Showing
11 changed files
with
561 additions
and
240 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
137 changes: 137 additions & 0 deletions
137
src/main/java/net/snowflake/client/jdbc/cloud/storage/DecryptionHelper.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| package net.snowflake.client.jdbc.cloud.storage; | ||
|
|
||
| import com.google.common.base.Strings; | ||
| import java.io.File; | ||
| import java.io.InputStream; | ||
| import java.security.InvalidAlgorithmParameterException; | ||
| import java.security.InvalidKeyException; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import javax.crypto.BadPaddingException; | ||
| import javax.crypto.IllegalBlockSizeException; | ||
| import javax.crypto.NoSuchPaddingException; | ||
| import net.snowflake.client.core.SFBaseSession; | ||
| import net.snowflake.client.jdbc.ErrorCode; | ||
| import net.snowflake.client.jdbc.SnowflakeSQLLoggedException; | ||
| import net.snowflake.client.log.SFLogger; | ||
| import net.snowflake.client.log.SFLoggerFactory; | ||
| import net.snowflake.common.core.RemoteStoreFileEncryptionMaterial; | ||
| import net.snowflake.common.core.SqlState; | ||
|
|
||
| class DecryptionHelper { | ||
| private static final SFLogger logger = SFLoggerFactory.getLogger(SnowflakeGCSClient.class); | ||
|
|
||
| private final String queryId; | ||
| private final SFBaseSession session; | ||
| private final String key; | ||
| private final String keyIv; | ||
| private final String dataIv; | ||
| private final String keyAad; | ||
| private final String dataAad; | ||
| private final StageInfo.Ciphers ciphers; | ||
|
|
||
| private DecryptionHelper( | ||
| String queryId, | ||
| SFBaseSession session, | ||
| String key, | ||
| String keyIv, | ||
| String dataIv, | ||
| String keyAad, | ||
| String dataAad, | ||
| StageInfo.Ciphers ciphers) { | ||
| this.queryId = queryId; | ||
| this.session = session; | ||
| this.key = key; | ||
| this.keyIv = keyIv; | ||
| this.dataIv = dataIv; | ||
| this.keyAad = keyAad; | ||
| this.dataAad = dataAad; | ||
| this.ciphers = ciphers; | ||
| } | ||
|
|
||
| static DecryptionHelper forCbc( | ||
| String queryId, SFBaseSession session, String key, String contentIv) | ||
| throws SnowflakeSQLLoggedException { | ||
| if (Strings.isNullOrEmpty(key) || Strings.isNullOrEmpty(contentIv)) { | ||
| throw exception(queryId, session); | ||
| } | ||
| return new DecryptionHelper( | ||
| queryId, session, key, null, contentIv, null, null, StageInfo.Ciphers.AESECB_AESCBC); | ||
| } | ||
|
|
||
| static DecryptionHelper forGcm( | ||
| String queryId, | ||
| SFBaseSession session, | ||
| String key, | ||
| String keyIv, | ||
| String dataIv, | ||
| String keyAad, | ||
| String dataAad) | ||
| throws SnowflakeSQLLoggedException { | ||
| if (Strings.isNullOrEmpty(key) | ||
| || Strings.isNullOrEmpty(keyIv) | ||
| || Strings.isNullOrEmpty(dataIv) | ||
| || keyAad == null | ||
| || dataAad == null) { | ||
| throw exception(queryId, session); | ||
| } | ||
| return new DecryptionHelper( | ||
| queryId, session, key, keyIv, dataIv, keyAad, dataAad, StageInfo.Ciphers.AESGCM_AESGCM); | ||
| } | ||
|
|
||
| void validate() throws SnowflakeSQLLoggedException { | ||
| if (key == null | ||
| || dataIv == null | ||
| || (ciphers == StageInfo.Ciphers.AESGCM_AESGCM && keyIv == null)) { | ||
| throw new SnowflakeSQLLoggedException( | ||
| queryId, | ||
| session, | ||
| ErrorCode.INTERNAL_ERROR.getMessageCode(), | ||
| SqlState.INTERNAL_ERROR, | ||
| "File metadata incomplete"); | ||
| } | ||
| } | ||
|
|
||
| void decryptFile(File file, RemoteStoreFileEncryptionMaterial encMat) | ||
| throws SnowflakeSQLLoggedException { | ||
| try { | ||
| switch (ciphers) { | ||
| case AESECB_AESCBC: | ||
| EncryptionProvider.decrypt(file, key, dataIv, encMat); | ||
| case AESGCM_AESGCM: | ||
| GcmEncryptionProvider.decryptFile(file, key, dataIv, keyIv, encMat, dataAad, keyAad); | ||
| default: | ||
| throw new IllegalArgumentException("unsuported ciphers: " + ciphers); | ||
| } | ||
| } catch (Exception ex) { | ||
| logger.error("Error decrypting file", ex); | ||
| throw new SnowflakeSQLLoggedException( | ||
| queryId, | ||
| session, | ||
| ErrorCode.INTERNAL_ERROR.getMessageCode(), | ||
| SqlState.INTERNAL_ERROR, | ||
| "Cannot decrypt file"); | ||
| } | ||
| } | ||
|
|
||
| InputStream decryptStream(InputStream inputStream, RemoteStoreFileEncryptionMaterial encMat) | ||
| throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException, | ||
| BadPaddingException, IllegalBlockSizeException, InvalidAlgorithmParameterException { | ||
| switch (ciphers) { | ||
| case AESGCM_AESGCM: | ||
| return GcmEncryptionProvider.decryptStream( | ||
| inputStream, key, dataIv, keyIv, encMat, dataAad, keyAad); | ||
| case AESECB_AESCBC: | ||
| return EncryptionProvider.decryptStream(inputStream, key, dataIv, encMat); | ||
| } | ||
| throw new IllegalArgumentException("unsupported ciphers: " + ciphers); | ||
| } | ||
|
|
||
| private static SnowflakeSQLLoggedException exception(String queryId, SFBaseSession session) { | ||
| return new SnowflakeSQLLoggedException( | ||
| queryId, | ||
| session, | ||
| ErrorCode.INTERNAL_ERROR.getMessageCode(), | ||
| SqlState.INTERNAL_ERROR, | ||
| "File metadata incomplete"); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.